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Intrepid Video & Electronics


PANASONIC VCR TIPS


Copyright Intrepid Video & Electronics

PANASONIC

Different models *Solenoid clicking, front LED flash

*No SP mode, super slow

*Replace 82uf cap in power supply

*1uf cap in power supply

AG1100 No functions, pl light doesn't light IC601, ICMN15542VEH
AG1960 Faint interference, dots, lines in play back C18, C21 in power supply
AG1980P Shuts off intermittently, error F03 Mode switch VSS0365
AG505P Tape loads, capstan moves in jerky motion 2-6.3v caps in power supply.330 or 1000uf
AG7350 Panel lights flash,go out,E5,E2,E4 error message.+5v, +12 reg lines should be 0.6,0.12ma current draw respectively Replace IC8 & IC1901, Q1, Q4, Q6 & IC6004-micro
FS100 Runs for up to one hour, then will not play SVHS tapes w/o pic breaking up. VHS tapes, OK. Replace IC303 (VEFH05BT)
NVG10(G12) In play, FF, REW, capstan acts confused 4.43Mhz crystal resonator in color PCB
NVG12(G10) In play, FF, REW, capstan acts confused 4.43Mhz crystal resonator in color PCB
NVG45 *Head drum spinning too fast

*Dead

*C2117 (0.47uf)

*C09 in power supply

NV7200 Unstable picture Capstan supply caps (C1010, C1013)
NV730 Shuts down intrermittently Check for dry joints Q1504
NVF70 Dead C1109 in power supply
NVF70 No Nicam sound IC7901
NVG12 Dead STK5331 (regulator chip) & R1003
NVG21 Dead Replace C1108, C1022, C1025, STR1006, STK5392
NVG40 No 12 volts from power supply Q-04
NVJ30 Shuts down when laced up Check for dry joints @ motor connector P2001
PV200B No power Replace 5vdc caps in power supply.
PV330D Cassette loading binds @ eject or power on. Clean leaf switch on cassette housing, closest to pinch roller
PV400D Humming, grinding noise in play, FF, REW Use thicker belts, adjust FG head and capstan height
PV1360 Noisey video, capstan speed varies In power supply: C7(10/200v), C9(47/16v), C10(2.5/50v),C17(47/50v),C18(1000/6.3v).
PV1362 Dead Q1, C7 in power supply
PV1364 18 volt zener destructive 1uf/50v cap in power supply
PV1461 No power Series pass transformer, C1016 10/ 200v
PV1563 Poor video C1007, C1010, C1018, C1019 in power supply
PV1740 (MV758 VH5758) Carriage side plate VXAS0742
PV2003 Distorted video-EE IC1
PV2301 Snowy picture, sys-control problem in play back C1016 (330/6.3v)
PV2301 *Loads tape, shuts off. TV/VCR led works, but no effect

*Poor playback video, heads may be slow to start

*Q-1, on main board, next to power supply

*C1011 (330/6.3v) in power supply

PV2800 Tuned stations fade in/out, sometimes disappear Replace tuner.
PV3720 No display, won't eject C15, in power supply.
PV4010 Faint, horizonal black bars rolling up screen Swtich RF to channel 4, or replace
PV4163 Intermittent capstan motor Re-solder IC2, on capstan motor drive board
PV4164 Tape gets ejected right away Re-sync cassette housing
PV4250K Tracking line at bottom of screen C1017(1000uf)
PV4260 Part ID D15-18v zener
PV4265S Head doesn't spin @ proper speed, B&W video. C6/C17 replace.
PV4277 Not taking tape in fully, or taking tape up in play when supply is full. Jamming on eject Stretch coil spring under 1/4" gear under main clutch on bottom
PV4311 Playback video poor, tuner video jumpy. C5(4.7/200v), C16(330/6.3v) in power supply
PV4351 *Very poor tuner/play back video, cylinder slow to start.

*Faint horizontal lines in video, tuner & playback.

*No cylinder movement

*Drum, no spin or jerks

*No system ops, or display

*C16 (330/6.3v) in power supply

*C19(100/6.3) & C21(1/50v). in power supply

*C16(330/6.3v in power supply

*C16(330/6.3v) checks OK in circuit

*C1019(100/6.3v), R1205(120-1/4w)

PV4361 *No color in play back, video distorted

*Carriage jammed

*Display dim

*C16 (330/6.3v) use higher voltage

*Gear VDGS0293

*C19 100uf/6.3v

PV4361K Plays tapes in B&W only C16(330/6.3) in power supply, check all 330/1000uf caps
PV4362 *Intermittent power up, or no power

*No display, would come on 3-5 mins, faintly

*No color, playback or tuner

*C16(330/16v), C19(100/6.3V)

*C19(100/16v) in power supply

*C16, C21, C14, C5, C11

PV4403 Plays fine, no display Replace D9 in power supply.
PV4425S Color tint in play back Power supply filter caps usually 330/1000uf
PV4459 Carriage jumps load gear and goes out of align Looking from top, on right, there is broken plastic pin, which is part of chassis, next to gear which drives carriage. It goes into cassette basket.
PV4469 Eject mechanism goes out-of-time Add msc mod p# VVDS017, may need to replace eject mechanism.
PV4559 Plays tape for 2 seconds, shuts down, display lit D1005(ECG587) & R1010 (10 ohm, 1/4 watt)
PV4651 *Won't take tape, powers on, no cylinder

*Load problems, loads half way.

*PR1054 (ICPN38)

*PAN kit VVDS0017, small white nub broke off.

PV4700 Dead, or squeal from power supply C09(2.2/50v) on edge of power supply.
PV4720 *Powers up, hear motor briefly, then display goes dead

*Dead, fuse open

*2-330/16v & 2-10/50v caps in power supply

*C5, C19, Q1(2SC4026), C19 (-) goes to pin 3, IC2

PV4722 No color intially, then intermittent until warm Spray IC3001 w/ freeze. If it looses color, replace IC
PV4722 Not fully going into play mode, or tape load erractic Re-solder bad connectors on pins of IC4, on top board
PV4760 *Tuner intermittent, from EE, to Tv mode

*Dead, display flashes, then goes out.

*Check solder on tuner and at two transistors under tuner on main pcb.

*Transistor C4130(NTE2312), 330uf caps, 22uf cap.

PV4761 Play back and EE video smear IC3004 (VCRS098)
PV4860 Dead Q1006 (2SB1050R)[ECG12] SKKIT71563, rebuild kit
PV4862 Dead, fuse blows C16(330/6.3) caps-17, 19, 12, 13, 14, 21 & 18v zener, C4130
PV4924 Tape does not completely load, head wheel never comes up to speed. 15v line is only 0.9v, has 0.5v ripple. Replace cap on 15v line
PV4962 Distorted video C616 in power supply
PV5451 No tracking C5 on video preamp board 47/50v.
PV7200 Video shifts from color to B&W. C1014(4.7/50v), C1016(330/18v)
PV7450(PV7451, PV8200, VHQ760) *Powers up, will not take tape

*Capstan runs at high speed in play

*Pin broken on drive rack arm. p/n VMLS0976

*C6208(1/50v) on capstan fg line near P6002, also C6221(22/6.3v)

PV7451(PV7450, PV8200, VHQ760) *Powers up, will not take tape

*Capstan runs at high speed in play

*Pin broken on drive rack arm. p/n VMLS0976

*C6208(1/50v) on capstan fg line near P6002, also C6221(22/6.3v)

PV7662 Fuse open Q1001(@4533), R1004(33k), IC1001(3131)
PV8200(PV7450, PV7451, VHQ760) *Powers up, will not take tape

*Capstan runs at high speed in play

*Pin broken on drive rack arm. p/n VMLS0976

*C6208(1/50v) on capstan fg line near P6002, also C6221(22/6.3v)

PV8450 *No linear play back/record

*Voltage surge, all functions weak

*IC3001 (AN3476fbp)

*C1004 (120/200v)

PV8451 No RF video, AUX jacks OK Replace tuner/mod
PV8662 Dead, squeal from power supply D1015 shorted, 18v zener(NTE5077A)
PVM1321 SMPS, low voltage, or dead Q1002(2SD1458), shorted-D1015(18v, 1w)
PVM1358 Demo constantly running Turn unit off, w/ no tape, press pl/REW together for 5 secs.
PVM1359W *Dead, program light flashes

*Load motor won't function

*Q801(2SC2785)

*PR805

PVM1378W No raster Check 14v unswitched protect fuse
PVM2023 Pic goes to blue, intermittently, mostly on EP Glazed pinch roller
PVM2028 *VCR works, NO HV, No TV, or raster

*H.O.T. shorted

*C553(2200pf/2kv), R801, R802, Q551(NTE2302), IC801(STR30130)

*Replace H.O.T., C553, use OEM replacement

PVM2043 No color, brightness flashes light to dark intermittently.(EE & tape) IC301, lum/chr. processor(LA7621 or ECG1771 or SK9749)
PVM2044 Parts ID R7003, off pin 1 of tuner, 470 ohm, 1/4 watt.
PVM2045 Dead, timer light blinks, no 12 volt Q551, Q552, Q553, Q801
PVM2046 Excessive head speed Replace system/servo IC
PVM2047 No color on tape, video good, TV has color IC3001(AN3475fbp)
PVM2059 *Screen to dark, increase screen drive, still too dark.

*Pic goes dark, menu very dim

*Light section at top of screen

*C354 on CRT board.

*FBT(T551)

*Loose connection, G2 line CRT

PVM2079 No vertical deflection Check solder D401
PVM2737

(PVM2767)

Relay clicks on/off. HV comes up, shuts down. Q541, E-C short(ECG290A), small board near FBT
PVM2767

(PVM2737)

Relay clicks on/off. HV comes up, shuts down. Q541, E-C short(ECG290A), small board near FBT
PVM2768 VCR works fine, TV will not power up. Jump relat, TV turns on. No 5v ro R810 Q801(2SC945) short, Diode (1N4148), Q505, Q541(2SA733) near FBT
PVQM2508 No HV, no front panel control IC6001, D784927YG102, $16.86 from Andrew electronics